Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.60886E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T16:48:05+0800
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    1 Object 1

    AOE ID 31381
    NORAD ID 31381
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 68941
    NORAD ID 68941
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB KUIPER-00439
    Time of Closest Approach 2026-09-05T17:18:34+0000
    Collision Probability (Pc) 1.60886E-6
    Conjunction Distance (km) 2.375 km
    Relative Speed (km/s) 10.885 km/s
    Conjunction Risk Parameters R (Radial): -2.373 | I (In-track): -0.041 | C (Cross-track): -0.032
    Collision Risk Index (CRI) 0.39
    X Position (km) 4254.3 4255.78
    Position Y (km) -1192.282 -1192.662
    Position Z (km) -5445.008 -5446.826
    Velocity X (km/s) 5.038 3.122
    Velocity Y (km/s) -3.26 6.788
    Velocity Z (km/s) 4.673 0.955

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB KUIPER-00439
    Semimajor Axis (a) 7143.509 km 7009.299 km
    Eccentricity (e) 0.019481 0.000208
    Inclination (i) 98.4774° 51.9032°
    RAAN 332.5259° 63.0670°
    Perigee Argument 318.4165° 30.3150°
    Mean Anomaly (M) 40.2342° 329.7932°
    Apogee 904.537 km 632.618 km
    Perigee 626.207 km 629.706 km
    Orbit Epoch 2026-09-04T11:28:52+0000 2026-09-04T22:13:06+0000

    FENGYUN 1C DEB & KUIPER-00439 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & KUIPER-00439 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & KUIPER-00439 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & KUIPER-00439 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    KUIPER-00439Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    KUIPER-00439Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data